JoomShaper · SP Page Builder
CVE-2026-48908
JoomShaper SP Page Builder Unrestricted Upload of File with Dangerous Type Vulnerability
CISA KEV record
- CISA date added
- 2026-07-07
- CISA due date
- 2026-07-10
- Known ransomware use
- Unknown
NVD risk context
10.0 CRITICAL
CVSS is a technical severity score. CISA’s KEV status remains the evidence that this vulnerability is known to be exploited.
Description
JoomShaper SP Page Builder contains an unrestricted upload of file with dangerous type vulnerability that allows unauthenticated users to upload arbitrary files, ultimately resulting in the upload and execution of PHP code.
Required action
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
NVD reference index
Vendor and remediation references
NVD has not tagged a reference for this KEV as a patch, mitigation, release note, or vendor advisory.
Other NVD references (5)
- https://www.joomshaper.com/page-builder ↗
- https://extensions.joomla.org/extension/sp-page-builder/ ↗
- https://mysites.guru/blog/sp-page-builder-zero-day-uploadcustomicon-rce/ ↗
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-48908 ↗
- https://www.joomshaper.com/forum/question/45152 ↗
MITRE CWE context
CWE classification
The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.
View official MITRE CWE details ↗NVD record timing
NVD record timeline
These dates describe NVD’s record, not CISA’s KEV addition or remediation due date.
- NVD published
- Jun 20, 2026, 01:16 PM UTC When NVD first published this CVE record.
- NVD last updated
- Jul 08, 2026, 01:57 PM UTC When NVD last changed its analysis or record data.
Advanced: view the technical CVSS vector
This standardized code is intended for security tools and technical analysts. The plain-language risk summary above explains its main points.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:X/V:X/RE:X/U:Red
CISA notes
https://extensions.joomla.org/extension/sp-page-builder/ ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-48908
- https://extensions.joomla.org/extension/sp-page-builder/
- https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk
- https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk
- https://nvd.nist.gov/vuln/detail/CVE-2026-48908